Look, up in the sky! It's a bird… it's a plane… it's a… wind turbine? Altaeros Energies, a Massachusetts-based company formed by MIT and Harvard grads, has aimed high — literally — in its quest to deliver power to remote, off-the-grid locations, creating a blimp that harnesses the power of the wind at 1,000 feet up. The prototype, seen in this video, is a large helium-filled shell that looks almost like a jet engine (or, as we suspect more than a few people thought when it was tested in Maine earlier this year, a UFO). Attached to a trailer on...